Complete the first part of each sentence with the correct past simple negative form.

1. I didn't go skiing last winter, I went snowboarding. 2. Einstein didn't live in 1965, he died in 1955. 3. The holidays didn't start yesterday, they began last week. 4. My grandparents weren't born in Russia, they were born in Germany. 5. I didn't say 'thirteen,' I said 'thirty.' 6. We didn't watch the first half of the match, but we saw the second half. 7. At the age of five, I couldn't ride a bike, but I could ski. 8. It wasn't warm yesterday, but it was sunny.